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GIA Exposes Rough Diamond with Fake Green Color
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Manufacturers coated a rough diamond with a green substanceto imitate a natural color, the Gemological Institute of America (GIA) saidafter the stone turned up for grading.The presence of chromium oxide powder on the surface ofthe 6.49-carat crystal...
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Rough Markets
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Aug 19, 2019
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Rapaport News
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GIA Cuts Prices 10% Amid Market Slowdown
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The Gemological Institute of America (GIA) has temporarilyreduced grading fees for certain smaller diamonds after recording a drop in submissionsduring the recent industry slump. The organization is slashing prices of reports by 10% forpolished weighing from...
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Polished Markets
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Jul 16, 2019
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Joshua Freedman
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GIA Spots Natural-Synthetic Hybrid Diamond
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The Gemological Institute of America (GIA) has discovered asynthetic layer that improved the weight and color of a natural diamond, and haswarned that the phenomenon may be happening more often.The cushion modified brilliant, 0.64-carat...
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Technology
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May 20, 2019
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Rapaport News
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‘Lab-Grown’ Diamond Turns Out to Be Natural
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A client of the Gemological Institute of America (GIA)wrongly submitted a natural diamond as a lab-grown stone, the organizationsaid.The GIA’s Carlsbad laboratory recently received the round brilliant,2.23-carat, D-color diamond, which the customer had sent in for asynthetic-diamond...
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Polished Markets
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Feb 06, 2019
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Rapaport News
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China’s Fosun Buys 80% of IGI
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Chinese corporate giant Fosun has agreed to buy an 80%stake in the International Gemological Institute (IGI), the grading laboratorysaid Wednesday. “The interest of this large conglomerate to invest in IGIshows the confidence it has in our industry,” said...
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Financial-Legal
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Sep 13, 2018
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Rapaport News
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Melee Parcel Contains Just One Natural Stone
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The Gemological Institute of America (GIA) found just onenatural diamond in a melee parcel containing more than 1,000 undisclosedsynthetic stones, according to a recent lab note. The organization’s New York center received 1,102 smalldiamonds weighing...
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Technology
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Aug 16, 2018
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Rapaport News
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GIA Spots Treatment Fraud with 6ct. Polished
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The Gemological Institute of America (GIA) has uncovered atreated diamond carrying a false inscription that fraudsters had apparentlycreated to make the stone appear untreated. Swindlers appear to have carefully selected a grading reportfor an untreated diamond...
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Polished Markets
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May 30, 2018
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Rapaport News
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Sarine Rolls Out First Grading Lab
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Sarine Technologies will open its first technology lab inIsrael in February, offering advanced, automated gem services, the company said Sunday.The lab will supplyservices using Sarine’s automated technology for clarity and colorgrading...
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Technology
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Jan 15, 2018
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Rapaport News
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GIA Unveils Plans for Labs in Surat and Antwerp
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The Gemological Institute of America (GIA) will this year opena laboratory in Surat, and expand its operations in Antwerp to include diamondgrading.The GIA has secured premises for the two locations, and expects to open both...
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Polished Markets
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Jan 09, 2018
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Rapaport News
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GIA Finds Synthetic Diamond with Forged Inscription
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Fraudsters forged a Gemological Institute of America (GIA)inscription on a synthetic diamond to make it appear that the stone was thetrue bearer of a natural-diamond grading report, the institute said.The engraving on the polished diamond’s girdle contained a genuineGIA report...
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Technology
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Nov 13, 2017
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Rapaport News
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Groups Agree on Uniform Grading Terms
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The World Jewellery Confederation (CIBJO) and theInternational Diamond Council (IDC) have decided to use the same terminology fordescribing diamonds, making it easier for consumers to understand grading.CIBJO agreed to make amendments to its Diamond Book...
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Polished Markets
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Nov 08, 2017
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Rapaport News
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Enhancing Jewelers’ Brands Through Grading
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There’s a perception about Sarine Technologies that its newCEO, David Block, is determined to change. “People used to refer to us as a technology firm thatsupplies machines used in diamond manufacturing,” he explained in an interviewwith Rapaport Magazine. “But we have evolved, and...
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Technology
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Nov 06, 2017
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Avi Krawitz
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Labs Launch Credit Card-Sized Grading Reports
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HRD Antwerp and the International Gemological Institute(IGI) have both released credit card-sized diamond reports, aiming to makegrading more efficient for traders. The two Antwerp-based laboratories unveiled the polished-diamondidentity cards this week,...
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Polished Markets
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Oct 26, 2017
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Joshua Freedman
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De Beers, Soo Kee Extend Grading Deal
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The International Institute of Diamond Grading &Research (IIDGR) has expanded its grading partnership with Singapore-based SooKee Group into China, the De Beers subsidiary said.IIDGR, De Beers’ gemological unit, launched the initialcollaboration in February. Under...
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Retail
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Sep 17, 2017
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Rapaport News
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De Beers: Making the Grade
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Since earlier this year, De Beers’ gemological unit has beenpartnering with Asian retailers to offer its diamond-grading reports to jewelryconsumers. The miner’s International Institute of Diamond Grading &Research (IIDGR) launched the program with Singapore’s...
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Retail
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Sep 07, 2017
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Joshua Freedman
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Sarine Ventures into Diamond Grading
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Sarine Technologies is expanding its signature diamond report to include the 4Cs, which it will determine through its own automated grading tools, the company announced Monday.The standard Sarine Profile report provides information on a diamond’s...
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Retail
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Aug 28, 2017
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Rapaport News
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De Beers Broadens Lussier’s Branding Role
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De Beers’ top marketing boss has taken on an expanded role nowthat the miner has acquired its namesake retail chain.Stephen Lussier, executive vice president of marketing, now oversees De Beers’ entire downstream and branding operations,...
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Marketing
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Aug 07, 2017
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Joshua Freedman
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Sarine Claims Superior Accuracy for Grading Tools
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Sarine Technologies’ new automated color- and clarity-gradingsystems are yielding more reliable results than manual graders, the company hasclaimed.Sarine Clarity, which uses technology to analyze flaws inpolished diamonds, showed a 97% correlation with...
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Technology
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Jul 31, 2017
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Joshua Freedman
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IGI to Launch Associations in Italy
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The International Gemological Institute (IGI) will unveiltwo new organizations at a jewelry workshop it’s running in Italy this week.The first, the IGI Italy Association — which is behind theworkshop — will represent the Antwerp-based laboratory’s operations...
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Technology
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Jun 13, 2017
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Rapaport News
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De Beers Inks Japan Retail Grading Deal
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The International Institute of Diamond Grading &Research (IIDGR) has partnered with Japanese bridal-jewelry retailer I-PRIMO toprovide it with polished grading reports.The De Beers-owned laboratory will grade diamonds showcased at all 68 I-PRIMO stores in Japan, with...
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Retail
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Jun 12, 2017
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Rapaport News
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